Lexmark CX825 Service Manual page 171

Sensor (duplex path 2): Paper failed to clear service check
Action
Step 1
Check if the paper size matches the size set on the tray guides.
Does the paper size match the size set on the tray?
Step 2
Change the paper size or adjust the size setting in the tray.
Does the problem remain?
Step 3
Check the duplex path for paper jams and fragments
Is the paper path free of jams and fragments?
Step 4
Remove the paper jams and fragments.
Does the problem remain?
Step 5
a
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Sensor tests
b
Find the sensor (Duplex path 2).
Does the sensor status change while toggling the sensor?
Step 6
Check the sensor cable for proper connection, and then reseat if
necessary.
Does the problem remain?
Step 7
Replace the sensor.
Does the problem remain?
Step 8
a
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Motor tests > Isolation
b
Touch Start.
Does the motor run?
Diagnostic information
171
Yes No
Go to step 3. Go to step 2.
Go to step 3. The problem is
solved.
Go to step 5. Go to step 4.
Go to step 5. The problem is
solved.
Go to step 8. Go to step 6.
Go to step 7. The problem is
solved.
Go to step 8. The problem is
solved.
Go to step 11. Go to step 9.
7564